| Term | Definition |
| volume | the amount of space an object occupies |
| mass | the amount of matter contained in an object |
| mL, L, or kL | SI unit used to measure liquid volume |
| meniscus | the curve at the surface of a liquid |
| displacement of water | method for finding the volume of irregular solids |
| Archimedes | Ancient Greek who discovered displacement of water to find the volume of irregular solids |
| gram, kilogram | unit for measuring mass in SI |
| newton | the SI unit of force |
| matter | anything that has mass and volume |
| weight | a measure of the force of gravity acting on the mass of an object |
| pounds | customary unit for measuring weight |
| 1 gram | the mass of 1 mL of water at 4 degrees C |
| spring scale | tool used to measure weight |
| balance | tool used to measure mass |
| length | the distance from one point to another |
| temperature | a measure of the hotness or coldness of an object |
| Kelvin | official SI temperature scale |
| Celsius | temperature scale commonly used in the science lab |
| Fahrenheit | temperature scale used in the Customary system of measurement |
| France | country who developed the Metric System |